Epoll is fundamentally broken 1/2 — Idea of the day
In previous articles we talked about: The history of the Select(2) syscall Select(2) being fundamentally broken This time we'll focus on Linux's select(2) successor - the epoll(2) I/O multiplexing syscall. Epoll is relatively young. It was created by Davide Libenzi in 2002. For comparison: Windows did IOCP in 1994 and FreeBSD's kqueue was introduced in July 2000. Unfortunately, even though epoll i
A brief history of select(2) — Idea of the day
Recently I've been thinking about the multiplexing in Linux, namely the epoll(7) syscall. I was curious if epoll is better or worse than the iocp or kqueue. I was wondering if there was a benefit in batching epoll_ctl calls. But let's step back for a while, before we start a serious discussion we need to get some context. Most importantly - is file descriptor multiplexing an aberration or a gentle
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